java - Listen to Keys while JFrame isn't visible -


this question exact duplicate of:

i'm creating small person program want run in background until press ctrl+shft+l

it's jframe window , have setvisible(false) when happens. after it's no longer visible, need listen above keys , display jframe again.

i've tried keyeventdispatcher , jnativehook , both didn't work.

how listen keys in background?

i suggest using keylistener. here documentation: http://docs.oracle.com/javase/7/docs/api/


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